Re: [PATCH v5 06/11] qapi: add failover negotiated event

[Jens Freimann]

On Thu, Oct 24, 2019 at 06:32:45PM +0100, Dr. David Alan Gilbert wrote:
> * Jens Freimann (address@hidden) wrote:
> > This event is sent to let libvirt know that VIRTIO_NET_F_STANDBY
> > feature was not negotiated during virtio feature negotiation. If this
> > event is received it means any primary devices hotplugged before
> > this were were never really added to QEMU devices.
> >
> > Signed-off-by: Jens Freimann <address@hidden>
>
> Can I just understand a bit more about what the meaning of this is.
>
> Say my VM boots:
>   a) BIOS
>   b) Boot loader
>   c) Linux
>   d) Reboots
>      (possibly a',b', different c')
>
> When would I get that event?
> When can libvirt know it can use it?

The event is sent every time we do feature negotiation for the virtio-net
device, so you'll get it during Linux boot and reboots.

In v6, I add a data field 'id' to the event to pass the device id. 

regards,
Jens